NYC-WTC_000223678

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7382 Filter Type / Filter Area: .MCE Lab Sample #: 1 Grid Opening Size: I).01 i 2-1

Client Sample #: 01 Area Examined: 0.(144 90 mm

GRID BOX: Ma«>nirieation: 20.000 GRID [D: Aeceleratiiii’ Voltaue: 100 Ke\' # Ch id Openings: 4 ■Analysis Date: 3 i 1 02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length 1 ID of Structure Nor'. No F B C M -05 M : Chrys Amphioole J Monasb : Amcig.NC No Coord <5u

0 74^ 4? Cl__ —

‘5b

Struct = > O.Sp ■> 5:1 .Aspect Katio Grid acceptance: <50% undissoived filter, overlapped or ioloea Totals V = Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% ' ! F ! B ! C M \ = EDS spectrum conforming to laboratory holes or opaque areas ; identification criteria oDserved Chrysotile , .A.MPHIBOLES -Amphibole , - - jtnQis r Der Amosite 3 ■ B'jnalfc i<3 fibers <1 fiber diameter apan Crocidolite Ambiguous I " : Dluster (>3 Intersections) Anthophyllite Non-.A.sbestos : Tremolite yi = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_002919733

NYC-WTC_000223678